The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09RKX
Replacement of Nose Sft Tiss with Synth Sub, Open Approach
Replacement of Nose Sft Tiss with Synth Sub, Extern Approach
Replacement of Nose Sft Tiss with Autol Sub, Open Approach
Replacement of Nose Sft Tiss with Nonaut Sub, Open Approach
Replacement of Nose Sft Tiss with Autol Sub, Extern Approach
Replace of Nose Sft Tiss with Nonaut Sub, Extern Approach